BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 United States 38 30.4%
2 China 22 17.6%
3 Germany 19 15.2%
4 United Kingdom 9 7.2%
5 Poland 7 5.6%
6 Bolivia, Plurinational State of 6 4.8%
7 Hong Kong 5 4%
8 Colombia 4 3.2%
9 France 4 3.2%
10 Singapore 3 2.4%
11 Ukraine 2 1.6%
12 Russia 2 1.6%
13 India 2 1.6%
14 Lebanon 1 0.8%
15 Argentina 1 0.8%